CA2737196A1 - Coding for optical storage systems with multiple reader heads and multiple optical disks - Google Patents
Coding for optical storage systems with multiple reader heads and multiple optical disks Download PDFInfo
- Publication number
- CA2737196A1 CA2737196A1 CA2737196A CA2737196A CA2737196A1 CA 2737196 A1 CA2737196 A1 CA 2737196A1 CA 2737196 A CA2737196 A CA 2737196A CA 2737196 A CA2737196 A CA 2737196A CA 2737196 A1 CA2737196 A1 CA 2737196A1
- Authority
- CA
- Canada
- Prior art keywords
- data
- head
- optical
- encoded
- detector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 122
- 238000003860 storage Methods 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 claims abstract description 81
- 238000012937 correction Methods 0.000 claims abstract description 14
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 238000012795 verification Methods 0.000 claims description 4
- 238000012360 testing method Methods 0.000 claims description 2
- 230000000295 complement effect Effects 0.000 claims 1
- 230000003362 replicative effect Effects 0.000 abstract 1
- 230000008569 process Effects 0.000 description 44
- 238000010586 diagram Methods 0.000 description 17
- 238000005516 engineering process Methods 0.000 description 7
- 230000007246 mechanism Effects 0.000 description 6
- 239000002131 composite material Substances 0.000 description 3
- 238000013500 data storage Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000002355 dual-layer Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- 239000002356 single layer Substances 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000009365 direct transmission Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000010076 replication Effects 0.000 description 1
- 238000010187 selection method Methods 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/10009—Improvement or modification of read or write signals
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/14—Heads, e.g. forming of the optical beam spot or modulation of the optical beam specially adapted to record on, or to reproduce from, more than one track simultaneously
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
- G11B20/1833—Error detection or correction; Testing, e.g. of drop-outs by adding special lists or symbols to the coded information
- G11B2020/1856—Error detection or correction; Testing, e.g. of drop-outs by adding special lists or symbols to the coded information using a turbo code
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
- G11B2220/2537—Optical discs
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Recording Or Reproduction (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12/769,394 US8107333B2 (en) | 2010-04-28 | 2010-04-28 | Coding for optical storage systems with multiple reader heads and multiple optical disks |
| US12/769,394 | 2010-04-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2737196A1 true CA2737196A1 (en) | 2011-10-28 |
Family
ID=44168489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA2737196A Abandoned CA2737196A1 (en) | 2010-04-28 | 2011-04-14 | Coding for optical storage systems with multiple reader heads and multiple optical disks |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US8107333B2 (enExample) |
| EP (1) | EP2383738A3 (enExample) |
| JP (1) | JP5782286B2 (enExample) |
| KR (1) | KR20110120244A (enExample) |
| CN (1) | CN102280123B (enExample) |
| CA (1) | CA2737196A1 (enExample) |
| TW (1) | TWI543153B (enExample) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9141473B2 (en) * | 2011-03-25 | 2015-09-22 | Samsung Electronics Co., Ltd. | Parallel memory error detection and correction |
| US9030921B2 (en) | 2011-06-06 | 2015-05-12 | General Electric Company | Increased spectral efficiency and reduced synchronization delay with bundled transmissions |
| US8619533B1 (en) | 2012-07-31 | 2013-12-31 | General Electric Company | Holographic data storage medium and an associated method thereof |
| US8897113B2 (en) * | 2012-11-07 | 2014-11-25 | Oracle International Corporation | Rotary head data storage and retrieval system and method for data verification |
| US9443551B1 (en) | 2014-04-16 | 2016-09-13 | Marvell International Ltd. | Method and system for writing and reading closely-spaced data tracks |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0636473A (ja) * | 1992-07-16 | 1994-02-10 | Matsushita Electric Ind Co Ltd | 光情報記録装置及びその方法 |
| US6381210B1 (en) * | 1995-11-15 | 2002-04-30 | Zen Research (Ireland) Ltd. | Methods and apparatus for concurrently processing data from multiple tracks of an optical storage medium |
| JPH11242569A (ja) * | 1998-02-26 | 1999-09-07 | Matsushita Electric Ind Co Ltd | 光ディスク記録再生装置及びその記録再生方法 |
| JP2002198828A (ja) * | 2000-12-26 | 2002-07-12 | Sony Corp | 復号装置及び復号方法 |
| CN1675707A (zh) * | 2003-02-14 | 2005-09-28 | 富士通株式会社 | 使用了重复解码的数据记录再现装置及方法 |
| JP2005244502A (ja) * | 2004-02-25 | 2005-09-08 | Pioneer Electronic Corp | 光ディスク記録装置、光ディスク再生装置および多層型光ディスク |
| US20050240958A1 (en) * | 2004-04-21 | 2005-10-27 | Moviecrazy, Inc. | Method and apparatus for on-demand multimedia rental and sales services |
-
2010
- 2010-04-28 US US12/769,394 patent/US8107333B2/en not_active Expired - Fee Related
-
2011
- 2011-04-14 CA CA2737196A patent/CA2737196A1/en not_active Abandoned
- 2011-04-20 JP JP2011093571A patent/JP5782286B2/ja not_active Expired - Fee Related
- 2011-04-21 EP EP20110163434 patent/EP2383738A3/en not_active Withdrawn
- 2011-04-26 TW TW100114512A patent/TWI543153B/zh not_active IP Right Cessation
- 2011-04-27 KR KR1020110039638A patent/KR20110120244A/ko not_active Abandoned
- 2011-04-28 CN CN201110118339.8A patent/CN102280123B/zh not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2011233225A (ja) | 2011-11-17 |
| KR20110120244A (ko) | 2011-11-03 |
| TWI543153B (zh) | 2016-07-21 |
| JP5782286B2 (ja) | 2015-09-24 |
| TW201209811A (en) | 2012-03-01 |
| CN102280123A (zh) | 2011-12-14 |
| US20110267933A1 (en) | 2011-11-03 |
| EP2383738A2 (en) | 2011-11-02 |
| EP2383738A3 (en) | 2015-05-13 |
| US8107333B2 (en) | 2012-01-31 |
| CN102280123B (zh) | 2016-09-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request |
Effective date: 20160212 |
|
| FZDE | Discontinued |
Effective date: 20180523 |